Standardize Build

The build now uses spring build conventions to simplify the build

Fixes gh-4284

cas/cas.gradle

@@ -1,17 +0,0 @@
-
-dependencies {
-	compile project(':spring-security-core'),
-			project(':spring-security-web'),
-			springCoreDependency,
-			"org.springframework:spring-context:$springVersion",
-			"org.springframework:spring-beans:$springVersion",
-			"org.springframework:spring-web:$springVersion",
-			"org.jasig.cas.client:cas-client-core:$casClientVersion"
-
-	optional "net.sf.ehcache:ehcache:$ehcacheVersion",
-			"com.fasterxml.jackson.core:jackson-databind:$jacksonDatabindVersion"
-
-	testCompile "org.skyscreamer:jsonassert:$jsonassertVersion"
-
-	provided "javax.servlet:javax.servlet-api:$servletApiVersion"
-}

cas/spring-security-cas.gradle

@@ -0,0 +1,18 @@
+apply plugin: 'io.spring.convention.spring-module'
+
+dependencies {
+	compile project(':spring-security-core')
+	compile project(':spring-security-web')
+	compile 'org.jasig.cas.client:cas-client-core'
+	compile 'org.springframework:spring-beans'
+	compile 'org.springframework:spring-context'
+	compile 'org.springframework:spring-core'
+	compile 'org.springframework:spring-web'
+
+	optional 'com.fasterxml.jackson.core:jackson-databind'
+	optional 'net.sf.ehcache:ehcache'
+
+	provided 'javax.servlet:javax.servlet-api'
+
+	testCompile 'org.skyscreamer:jsonassert'
+}